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Southeast Asia

$417+ Cheap flights from Portland (PDX) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Portland to Southeast Asia

Keep the following information in mind while searching for Portland to Southeast Asia flight deals. Data was last updated June 18, 2025.

Round-trip from

$694
(Air Canada)

One-way from

$417
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$1,462
From Portland to Southeast Asia
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One-way flight from Portland to Southeast Asia
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Highest demand for flights based on searches. 9% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast Asia
Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Air Canada deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:25 pmPDX - SIN
1 stop24h 40mAir Canada
Thu 9/259:10 amSIN - PDX
1 stop24h 36mAir Canada
Deal found 6/16$694
This Expedia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:55 pmPDX - CNX
2 stops39h 00mKorean Air
Sat 9/1311:15 pmCNX - PDX
2 stops28h 04mKorean Air
Deal found 6/16$796
This FlightHub deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:00 amPDX - SIN
1 stop21h 10mSingapore Airlines
Wed 10/299:15 amSIN - PDX
1 stop19h 08mSingapore Airlines
Deal found 6/16$802
This Gotogate deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:40 pmPDX - SIN
1 stop20h 25mMultiple Airlines
Wed 10/11:50 amSIN - PDX
2 stops31h 56mMultiple Airlines
Deal found 6/16$811
This Orbitz deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amPDX - SGN
2 stops24h 50mMultiple Airlines
Sun 12/2811:05 pmSGN - PDX
2 stops46h 13mMultiple Airlines
Deal found 6/15$828
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:30 amPDX - SGN
3 stops50h 25mUnited Airlines
Thu 11/67:30 amSGN - PDX
2 stops25h 22mUnited Airlines
Deal found 6/16$848
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:05 amPDX - CGK
2 stops29h 00mANA
Sun 9/289:25 pmCGK - PDX
2 stops35h 21mANA
Deal found 6/15$871
This oojo deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2010:30 amPDX - BKK
2 stops33h 15mChina Airlines
Mon 9/225:30 pmBKK - PDX
2 stops19h 14mChina Airlines
Deal found 6/16$871
This FlightHub deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:00 amPDX - DPS
2 stops26h 05mSingapore Airlines
Fri 10/249:45 pmDPS - PDX
2 stops29h 40mSingapore Airlines
Deal found 6/18$875
This FlightHub deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:30 pmPDX - BKK
2 stops24h 30mSTARLUX Airlines
Sun 9/71:10 pmBKK - PDX
2 stops22h 15mSTARLUX Airlines
Deal found 6/16$879
This Gurufare deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:00 amPDX - CGK
2 stops25h 40mSingapore Airlines
Mon 11/35:25 amCGK - PDX
2 stops22h 58mSingapore Airlines
Deal found 6/16$887
This ANA deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:30 pmPDX - BKK
2 stops24h 40mMultiple Airlines
Mon 12/19:25 amBKK - PDX
2 stops26h 13mMultiple Airlines
Deal found 6/16$897

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Fly from

Portland

Fly to

Southeast Asia

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 9/4

3:25 pm-7:05 am

1 stop24h 40m

Singapore Changi

Thu 9/25

9:10 am-6:46 pm

1 stop24h 36m

$694

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 8/30

4:55 pm-9:55 pm

2 stops39h 00m

Chiang Mai

Sat 9/13

11:15 pm-4:12 pm

2 stops30h 57m

$796

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 10/15

7:00 am-7:10 pm

1 stop21h 10m

Singapore Changi

Wed 10/29

9:15 am-1:23 pm

1 stop19h 08m

$802

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 9/25

7:40 pm-7:05 am

1 stop20h 25m

Singapore Changi

Wed 10/1

1:50 am-6:46 pm

2 stops31h 56m

$811

PortlandJakarta

PDX - CGK

PDXCGK

Portland

Tue 8/26

10:05 am-5:05 am

2 stops29h 00m

Jakarta Soekarno-Hatta Intl

Sun 9/28

9:25 pm-6:46 pm

2 stops35h 21m

$871

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 8/20

10:30 am-9:45 am

2 stops33h 15m

Bangkok Suvarnabhumi

Mon 9/22

5:30 pm-10:44 pm

2 stops19h 14m

$871

PortlandDenpasar

PDX - DPS

PDXDPS

Portland

Wed 10/8

7:00 am-12:05 am

2 stops26h 05m

Denpasar Bali Ngurah Rai

Fri 10/24

9:45 pm-12:25 pm

2 stops29h 40m

$875

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 8/28

9:30 pm-4:40 pm

2 stops29h 10m

Bangkok Suvarnabhumi

Wed 9/3

1:10 pm-9:25 pm

2 stops22h 15m

$879

PortlandJakarta

PDX - CGK

PDXCGK

Portland

Wed 10/8

7:00 am-10:40 pm

2 stops25h 40m

Jakarta Soekarno-Hatta Intl

Mon 11/3

5:25 am-1:23 pm

2 stops22h 58m

$887

PortlandJakarta

PDX - CGK

PDXCGK

Portland

Mon 8/25

5:30 am-8:10 pm

2 stops48h 40m

Jakarta Soekarno-Hatta Intl

Wed 9/17

9:50 pm-5:06 pm

2 stops33h 16m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 60 results
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Best time to book a flight from Portland to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Southeast Asia

What is the cheapest month to book a flight from Portland to Southeast Asia?

Currently, March is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $953). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $1,574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to YJX?

Find hourly flight availability from Portland to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

When flying from Portland to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated June 18, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Portland to Southeast Asia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
180 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,205 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,090 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,494 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
742 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

Find useful and relevant information for your journey from Portland to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Southeast Asia?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Southeast Asia.

  • What are the cheapest airlines to fly from Portland to Southeast Asia one-way?

    The cheapest airlines for a one-way flight from Portland to Southeast Asia are ANA ($417), China Airlines ($441), and United Airlines ($448).

  • What are the most popular routes from Portland to Southeast Asia?

    While some choose either Portland - Ho Chi Minh City or Portland - Manila Ninoy Aquino Intl, Portland - Bangkok Suvarnabhumi is the most popular route from Portland to Southeast Asia.

  • Can I find deals for flights from Portland to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Portland to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Southeast Asia.

  • Can I find deals for business class flights from Portland to Southeast Asia?

    Yes. Cheapflights offers flight deals from Portland to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Southeast Asia?

    Currently, March is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $953). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $1,574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Narita flights
Portland to Haneda flights
Portland to Suvarnabhumi flights
Portland to Incheon Intl flights
Portland to Ho Chi Minh City flights
Boise to Narita flights
Portland to Kansai Intl flights
Portland to Manila flights
Boise to Haneda flights
Portland to New Delhi flights
Portland to Hong Kong flights
Portland to Gimpo Intl flights
Medford to Suvarnabhumi flights
Portland to Singapore flights
Portland to Bangalore flights
Portland to Taiwan Taoyuan Intl flights
Boise to Suvarnabhumi flights
Portland to Hyderabad flights
Portland to Hongqiao Intl flights
Portland to Mumbai flights
Portland to Itami flights
Portland to Denpasar flights
Portland to Sung Shan flights
Portland to Soekarno-Hatta Intl flights
Portland to Chiang Mai flights
Portland to Surabaya flights
Portland to Kobe flights
Portland to Capital flights
Portland to Kathmandu flights
Portland to Pu Dong flights
Portland to Colombo flights
Portland to Cochin flights
Boise to Manila flights
Eugene to Narita flights
Portland to Don Mueang Intl flights
Portland to Chubu Centrair Intl flights
Eugene to Suvarnabhumi flights
Eugene to Haneda flights
Portland to Kuala Lumpur Intl flights
Portland to Malé flights
Redmond to Suvarnabhumi flights
Boise to Ho Chi Minh City flights
Portland to Hanoi flights
Portland to Fukuoka flights
Portland to Phnom Penh flights
Portland to Chennai flights
Boise to Denpasar flights
Portland to Chitose flights
Portland to Dhaka flights
Portland to Tbilisi flights

Top 10 airlines flying from Portland to Southeast Asia

Discover the top 10 airlines that operate flights from Portland to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$287Average$1,191FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$479Average$1,238FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$694Average$1,026FlexibilityNo cancel feeOn-time67%
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$789Average$1,290FlexibilityNo cancel feeOn-time81%
ANACheapest$793Average$1,009FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$799Average$1,122FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$845Average$913FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$864Average$1,207FlexibilityNo cancel feeOn-time68%
STARLUX AirlinesCheapest$878Average$965FlexibilityNo cancel feeOn-timeN/A

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